NB/T 47023  法兰 C-FM 3000-6.4/20δ0=80δ0=6�0

3 CFM 3000-6.420δ0=80δ0=6�0

SP-40rf=3 B18= l= n=

WN40-300 RF S=4080MF0-1150RF=7RF=4616 S20 FMtF Rm5F12

wn125B-40RF30 90δ0=80δ0=6�0

bl40(b)-63fm615/f6/

bl25-600fm

APA-2-0. f1-1 RF2=22

WN 32(B)-160 M S=5 RFb/1rf�0RF0=4F

wn40(b)-900rjwBÃ

BL4